28670895

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 28353105

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 43, 45, 55, 99, 129, 135, 165, 215, 297, 387, 449, 473, 495, 645, 1161, 1347, 1419, 1485, 1935, 2245, 2365, 4041, 4257, 4939, 5805, 6735, 7095, 12123, 12771, 14817, 19307, 20205, 21285, 24695, 44451, 57921, 60615, 63855, 74085, 96535, 133353, 173763, 212377, 222255, 289605, 521289, 637131, 666765, 868815, 1061885, 1911393, 2606445, 3185655, 5734179, 9556965, 28670895]

約数ペア:

[(1, 28670895), (3, 9556965), (5, 5734179), (9, 3185655), (11, 2606445), (15, 1911393), (27, 1061885), (33, 868815), (43, 666765), (45, 637131), (55, 521289), (99, 289605), (129, 222255), (135, 212377), (165, 173763), (215, 133353), (297, 96535), (387, 74085), (449, 63855), (473, 60615), (495, 57921), (645, 44451), (1161, 24695), (1347, 21285), (1419, 20205), (1485, 19307), (1935, 14817), (2245, 12771), (2365, 12123), (4041, 7095), (4257, 6735), (4939, 5805)]